CH510957A - Digital frequency modulator - Google Patents

Digital frequency modulator

Info

Publication number
CH510957A
CH510957A CH679870A CH679870A CH510957A CH 510957 A CH510957 A CH 510957A CH 679870 A CH679870 A CH 679870A CH 679870 A CH679870 A CH 679870A CH 510957 A CH510957 A CH 510957A
Authority
CH
Switzerland
Prior art keywords
digital frequency
frequency modulator
modulator
digital
frequency
Prior art date
Application number
CH679870A
Other languages
Italian (it)
Inventor
Emanuele Dr Angeleri
Balugani Fabio
Original Assignee
Sits Soc It Telecom Siemens
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sits Soc It Telecom Siemens filed Critical Sits Soc It Telecom Siemens
Publication of CH510957A publication Critical patent/CH510957A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/12—Modulator circuits; Transmitter circuits
    • H04L27/122—Modulator circuits; Transmitter circuits using digital generation of carrier signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/64—Generators producing trains of pulses, i.e. finite sequences of pulses
    • H03K3/72—Generators producing trains of pulses, i.e. finite sequences of pulses with means for varying repetition rate of trains

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Time-Division Multiplex Systems (AREA)
CH679870A 1969-05-12 1970-05-06 Digital frequency modulator CH510957A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1672769 1969-05-12

Publications (1)

Publication Number Publication Date
CH510957A true CH510957A (en) 1971-07-31

Family

ID=11149283

Family Applications (1)

Application Number Title Priority Date Filing Date
CH679870A CH510957A (en) 1969-05-12 1970-05-06 Digital frequency modulator

Country Status (10)

Country Link
US (1) US3659226A (en)
JP (1) JPS5016625B1 (en)
AT (1) AT341585B (en)
BE (1) BE745092A (en)
CH (1) CH510957A (en)
DE (1) DE2009036C3 (en)
FR (1) FR2031196A5 (en)
GB (1) GB1312481A (en)
NL (1) NL165350C (en)
SE (1) SE365372B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2048118B2 (en) * 1970-09-30 1972-09-28 ARRANGEMENT FOR AC TELEGRAPHY AND / OR DATA TRANSFER WITH FREQUENCY SWITCHING
NL7207569A (en) * 1972-06-03 1973-12-05
US3997855A (en) * 1975-12-24 1976-12-14 Motorola, Inc. Digital FSK time rate of change modulator
JPS59150460U (en) * 1983-03-30 1984-10-08 株式会社東海理化電機製作所 seat belt device
US4663292A (en) * 1984-12-21 1987-05-05 Wong Daniel T High-voltage biological macromolecule transfer and cell fusion system
US6812669B2 (en) * 2002-06-14 2004-11-02 Texas Instruments Incorporated Resonant scanning mirror driver circuit
CN112055294B (en) * 2020-09-02 2021-11-30 歌尔微电子有限公司 Capacitive MEMS chip driving circuit, capacitive MEMS sensor and intelligent electronic equipment

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2994790A (en) * 1958-02-19 1961-08-01 Collins Radio Co Data phase-coding system using parallel pulse injection in binary divider chain
FR1454574A (en) * 1965-10-22 1966-02-11 Siemens Ag Pulse code modulator

Also Published As

Publication number Publication date
DE2009036B2 (en) 1978-06-22
DE2009036A1 (en) 1972-02-17
GB1312481A (en) 1973-04-04
DE2009036C3 (en) 1979-03-15
SE365372B (en) 1974-03-18
ATA168270A (en) 1977-06-15
FR2031196A5 (en) 1970-11-13
BE745092A (en) 1970-07-01
JPS5016625B1 (en) 1975-06-14
NL7006494A (en) 1970-11-16
NL165350C (en) 1981-03-16
US3659226A (en) 1972-04-25
NL165350B (en) 1980-10-15
AT341585B (en) 1978-02-10

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Legal Events

Date Code Title Description
PFA Name/firm changed

Owner name: ITALTEL S.P.A.

PL Patent ceased